13559222 has 4 divisors (see below), whose sum is σ = 20338836. Its totient is φ = 6779610.

The previous prime is 13559219. The next prime is 13559257. The reversal of 13559222 is 22295531.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3389804 + ... + 3389807.

It is an arithmetic number, because the mean of its divisors is an integer number (5084709).

Almost surely, 2^13559222 is an apocalyptic number.

13559222 is a deficient number, since it is larger than the sum of its proper divisors (6779614).

13559222 is an equidigital number, since it uses as much as digits as its factorization.

13559222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779613.

The product of its digits is 5400, while the sum is 29.

The square root of 13559222 is about 3682.2848884898. The cubic root of 13559222 is about 238.4578316188.

The spelling of 13559222 in words is "thirteen million, five hundred fifty-nine thousand, two hundred twenty-two".